Home / 19,211,715-26,512,376.04-10,509,700.77

Finding the Fourth Proportional to 19,211,715, 26,512,376.04 and 10,509,700.77

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Solution

The fourth proportional to 19,211,715, 26,512,376.04 and 10,509,700.77 is: 14,503,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,715 : 26,512,376.04 = 10,509,700.77 : x
  2. Step 2: Convert to fraction form
    19,211,715/26,512,376.04 = 10,509,700.77/x
  3. Step 3: Cross multiply
    19,211,715x = 26,512,376.04 × 10,509,700.77
  4. Step 4: Simplify right side
    19,211,715x = 278,637,138,882,117.53
  5. Step 5: Solve for x
    x = 278,637,138,882,117.53/19,211,715
  6. Step 6: Final answer
    x = 14,503,501.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.